/Engine/Source/Runtime/Engine/Public/WorldPartition/DataLayer/WorldDataLayers.h
[TArray](API\Runtime\Core\Containers\TArray)< const [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * > GetDataLayerInstances ( const [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & InDataLayerInstanceNames ) const